Quick answers
- Which hospitals does Wakako Horiuchi work at?
- Medicare's official clinician data lists Wakako Horiuchi at 1 hospital: MedStar Washington Hospital Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Wakako Horiuchi see patients?
- Medicare's clinician data lists 2 practice locations, including Washington, DC. Call before your visit to confirm the address.
- What is Wakako Horiuchi's specialty?
- Medicare lists Obstetrics/Gynecology as the primary specialty.
- Does Wakako Horiuchi accept Medicare assignment?
- Yes. Medicare's clinician data says Wakako Horiuchi accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Wakako Horiuchi?
- (202) 877-2200, as listed in official Medicare / NPI Registry data.
- What is Wakako Horiuchi's NPI number?
- 1851978696. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Wakako Horiuchi works
Medicare's Facility Affiliation Data lists Wakako Horiuchi at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- MedStar Washington Hospital CenterWashington, DC · Acute Care Hospital · CCN 090011
Practice locations
Addresses where Wakako Horiuchi is enrolled with Medicare (CMS data updated 2026-10-02).
- 106 Irving St NW 4200, Mmg at WhcWashington, DC 20010 (202) 877‑2200
- 1133 21st St NW, Medstar at Lafayette CentreWashington, DC 20036 (202) 416‑2000
Group practices
Medicare enrollment lists Wakako Horiuchi as a member of this group (CMS data updated 2026-10-02).
- MedStar Medical Group II LLC3,767 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Find other Obstetrics/Gynecology doctors in District of Columbia →
Other OB-GYNs in Washington
Clinicians with the same Medicare primary specialty in Washington, DC — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2021 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1851978696 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians